{
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\begin{tabular}{l*{4}{c}}
\hline\hline
                    &\multicolumn{4}{c}{\specialcell{\;\;\;\;\; Change in distance hh-ws \;\;\;\;\;}}\\\cmidrule(lr){2-5}
                    &\multicolumn{1}{c}{(1)}   &\multicolumn{1}{c}{(2)}   &\multicolumn{1}{c}{(3)}   &\multicolumn{1}{c}{(4)}   \\
\hline
Predicted change    &       0.286   &      -0.594   &       1.969*  &       0.952   \\
hh-ws distance x treated&     (0.854)   &     (0.829)   &     (1.088)   &     (1.116)   \\
Predicted change    &       0.078   &      -0.215   &       0.238   &       0.105   \\
hh-ws distance      &     (0.374)   &     (0.403)   &     (0.294)   &     (0.304)   \\
Source fecal        &      -0.048***&      -0.035** &      -0.047***&      -0.034** \\
contamination       &     (0.017)   &     (0.016)   &     (0.017)   &     (0.016)   \\
Constant            &       0.067** &       0.042   &       0.123***&       0.090** \\
                    &     (0.032)   &     (0.026)   &     (0.042)   &     (0.040)   \\
\hline
Predicted location  &        Desk   &        Desk   &   Algorithm   &   Algorithm   \\
Treatment unit fixed effects&          No   &         Yes   &          No   &         Yes   \\
R$^2$               &        0.00   &        0.05   &        0.00   &        0.05   \\
N                   &        5729   &        5729   &        5729   &        5729   \\
\hline\hline
\end{tabular}
}
